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royal blue

American  

noun

  1. a deep blue, often with a faint reddish tinge.


royal blue British  

noun

    1. a deep blue colour

    2. ( as adjective )

      a royal-blue carpet

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of royal blue

First recorded in 1810–20

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The vessels are glazed a deep, glossy royal blue.

From The Wall Street Journal • Oct. 1, 2025

Powder blue jerseys brushed past royal blue horns in burger lines.

From Los Angeles Times • Aug. 17, 2025

He donned a royal blue Valentino cloak that paid homage to Andre Leon Talley, former editor-at-large on Vogue whom Anna Wintour called "a dandy among dandies."

From BBC • May 5, 2025

Then the director introduced Megan, regally dressed in a royal blue silk gown and sporting an updo.

From Salon • Nov. 1, 2024

Yes, the boy appeared to be wearing a scythe’s robe—a royal blue one, studded with diamonds—but the robe clearly didn’t fit him.

From "Scythe" by Neal Shusterman

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